Kodiak Women's Rochelle Snow Boot Leather Imported Rubber sole Shaft measures approximately 6.5" from arch Platform measures approximately 0.75 inches Waterproof leather and felted wool upper REPEL-X waterproof construction and 3M Scotchgard treated uppers 200gm THINSULATE insulation underfoot and throughout Removable contoured EVA insole Comfort rated: -22 DegreeF / -30 DegreeC